2.50
Hdl Handle:
http://hdl.handle.net/10755/158805
Type:
Presentation
Title:
Stability of respiratory quotient during growth in the preterm infant
Abstract:
Stability of respiratory quotient during growth in the preterm infant
Conference Sponsor:Midwest Nursing Research Society
Conference Year:2001
Author:Steward, Deborah
P.I. Institution Name:Ohio State University
Contact Address:College of Nursing, Newton Hall, 1585 Neil Avenue, Columbus, OH, 43210, USA
Contact Telephone:614.292.4978
Nutritional management of very low birthweight (VLBW) infants involves promoting growth at rates that mimic intrauterine rates. Nutritional intake at the recommended energy level to promote growth results in fat accretion at levels that exceed intrauterine rates. Respiratory quotient (RQ), the ratio of carbon dioxide produced to oxygen consumed during oxidation, provides a measure of the percentage of substrates utilized for energy. An RQ of greater than 0.9 indicates carbohydrate is utilized to meet energy needs, allowing the majority of fat intake to be stored as new tissue. The purpose of this study was to examine the stability of RQ across time in relation to nutritional intake and growth in VLBW infants. Subjects were 9 enterally fed VLBW infants. RQ measurements were obtained weekly for 3 weeks by indirect calorimetry. Nutritional intake and growth velocity were examined. There was no significant difference in the RQ across 3 weeks. The weekly mean RQ was greater than 1.0. Nutritional intake was stable across 3 weeks. Growth velocity was 15.7 grams/kg/day. An RQ greater than 1.0 indicates VLBW infants are depositing excess fat, which does not improve the growth of VLBW infants. Body composition and accretion of lean muscle tissue should be examined.
Repository Posting Date:
26-Oct-2011
Date of Publication:
17-Oct-2011
Sponsors:
Midwest Nursing Research Society

Full metadata record

DC FieldValue Language
dc.typePresentationen_GB
dc.titleStability of respiratory quotient during growth in the preterm infanten_GB
dc.identifier.urihttp://hdl.handle.net/10755/158805-
dc.description.abstract<table><tr><td colspan="2" class="item-title">Stability of respiratory quotient during growth in the preterm infant</td></tr><tr class="item-sponsor"><td class="label">Conference Sponsor:</td><td class="value">Midwest Nursing Research Society</td></tr><tr class="item-year"><td class="label">Conference Year:</td><td class="value">2001</td></tr><tr class="item-author"><td class="label">Author:</td><td class="value">Steward, Deborah</td></tr><tr class="item-institute"><td class="label">P.I. Institution Name:</td><td class="value">Ohio State University</td></tr><tr class="item-address"><td class="label">Contact Address:</td><td class="value">College of Nursing, Newton Hall, 1585 Neil Avenue, Columbus, OH, 43210, USA</td></tr><tr class="item-phone"><td class="label">Contact Telephone:</td><td class="value">614.292.4978</td></tr><tr class="item-email"><td class="label">Email:</td><td class="value">steward.20@osu.edu</td></tr><tr><td colspan="2" class="item-abstract">Nutritional management of very low birthweight (VLBW) infants involves promoting growth at rates that mimic intrauterine rates. Nutritional intake at the recommended energy level to promote growth results in fat accretion at levels that exceed intrauterine rates. Respiratory quotient (RQ), the ratio of carbon dioxide produced to oxygen consumed during oxidation, provides a measure of the percentage of substrates utilized for energy. An RQ of greater than 0.9 indicates carbohydrate is utilized to meet energy needs, allowing the majority of fat intake to be stored as new tissue. The purpose of this study was to examine the stability of RQ across time in relation to nutritional intake and growth in VLBW infants. Subjects were 9 enterally fed VLBW infants. RQ measurements were obtained weekly for 3 weeks by indirect calorimetry. Nutritional intake and growth velocity were examined. There was no significant difference in the RQ across 3 weeks. The weekly mean RQ was greater than 1.0. Nutritional intake was stable across 3 weeks. Growth velocity was 15.7 grams/kg/day. An RQ greater than 1.0 indicates VLBW infants are depositing excess fat, which does not improve the growth of VLBW infants. Body composition and accretion of lean muscle tissue should be examined.</td></tr></table>en_GB
dc.date.available2011-10-26T21:24:50Z-
dc.date.issued2011-10-17en_GB
dc.date.accessioned2011-10-26T21:24:50Z-
dc.description.sponsorshipMidwest Nursing Research Societyen_GB
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